Multiplicity dependence of inclusive p(t) spectra from p-p collisions at root s=200 GeV

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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/16548

Title:	Multiplicity dependence of inclusive p(t) spectra from p-p collisions at root s=200 GeV
Authors:	ADAMS, J AGGARWAL, MM AHAMMED, Z AMONETT, J ANDERSON, BD ANDERSON, M ARKHIPKIN, D AVERICHEV, GS BAI, Y BALEWSKI, J BARANNIKOVA, O LJUBICIC, T LLOPE, WJ LONG, H LONGACRE, RS LOPEZ-NORIEGA, M LOVE, WA LU, Y LUDLAM, T LYNN, D BHARDWAJ, S GOS, H MA, GL MA, JG MA, YG MAGESTRO, D MAHAPATRA, DP MAJKA, R MANGOTRA, LK MANWEILER, R MARGETIS, S MARKERT, C GREBENYUK, O BHASIN, A MARTIN, L MATIS, HS MATULENKO, YA MCCLAIN, CJ MCSHANE, TS MELNICK, Y MESCHANIN, A MILLER, ML MINAEV, NG GROSNICK, D MIODUSZEWSKI, S BHATI, AK MIRONOV, C MISCHKE, A MISHRA, DK MITCHELL, J MOHANTY, B MOLNAR, L MOORE, CF MOROZOV, DA GUERTIN, SM MUNHOZ, MG NANDI, BK BICHSEL, H NATTRASS, C NAYAK, TK NELSON, JM NETRAKANTI, PK NIKITIN, VA NOGACH, LV NURUSHEV, SB GUIMARAES, KSFF ODYNIEC, G OGAWA, A OKOROKOV, V BIELCIK, J OLDENBURG, M OLSON, D PACHR, M PAL, SK PANEBRATSEV, Y PANITKIN, SY GUO, Y PAVLINOV, AI PAWLAK, T PEITZMANN, T PEREVOZTCHIKOV, V BIELCIKOVA, J PERKINS, C PERYT, W PETROV, VA PHATAK, SC PICHA, R GUPTA, N PLANINIC, M PLUTA, J POLJAK, N PORILE, N PORTER, J BLAND, LC POSKANZER, AM POTEKHIN, M POTREBENIKOVA, E POTUKUCHI, BVKS GUTIERREZ, TD PRINDLE, D PRUNEAU, C PUTSCHKE, J RAKNESS, G RANIWALA, R RANIWALA, S BLYTH, CO RAY, RL RAZIN, SV REINNARTH, J HAAG, B RELYEA, D RETIERE, F RIDIGER, A RITTER, HG ROBERTS, JB ROGACHEVSKIY, OV ROMERO, JL BLYTH, SL ROSE, A ROY, C HALLMAN, TJ RUAN, L RUSSCHER, MJ SAHOO, R SAKREJDA, I SALUR, S SANDWEISS, J SARSOUR, M SAZHIN, PS BONNER, BE SCHAMBACH, J BARNBY, LS SCHARENBERG, RP SCHMITZ, N SCHWEDA, K SEGER, J SELYUZHENKOV, I SEYBOTH, P SHABETAI, A SHAHALIEV, E SHAO, M BOTJE, M HAMED, A SHARMA, M SHEN, WQ SHIMANSKIY, SS SICHTERMANN, E SIMON, F SINGARAJU, RN SMIRNOV, N SNELLINGS, R SOOD, G SORENSEN, P HARRIS, JW BOUCHET, J SOWINSKI, J SPELTZ, J SPINKA, HM SRIVASTAVA, B STADNIK, A STANISLAUS, TDS STOCK, R STOLPOVSKY, A STRIKHANOV, M HE, W STRINGFELLOW, B BRANDIN, AV SUAIDE, AAP SUGARBAKER, E SUMBERA, M SUN, Z SURROW, B SWANGER, M SYMONS, TJM DE TOLEDO, AS HEINZ, M TAI, A TAKAHASHI, J BRAVAR, A TANG, AH TARNOWSKY, T THEIN, D THOMAS, JH TIMMINS, AR TIMOSHENKO, S TOKAREV, M HENRY, TW TRAINOR, TA TRENTALANGE, S TRIBBLE, RE BYSTERSKY, M TSAI, OD ULERY, J ULLRICH, T UNDERWOOD, DG VAN BUREN, G VAN DER KOLK, N HEPPLEMANN, S VAN LEEUWEN, M VANDER MOLEN, AM VARMA, R VASILEVSKI, IM CADMAN, RV VASILIEV, AN VERNET, R VIGDOR, SE VIYOGI, YP VOKAL, S HIPPOLYTE, B VOLOSHIN, SA WAGGONER, WT WANG, F WANG, G WANG, JS CAI, XZ WANG, XL WANG, Y WATSON, JW WEBB, JC HIRSCH, A WESTFALL, GD WETZLER, A WHITTEN, C WIEMAN, H WISSINK, SW WITT, R CAINES, H WOOD, J WU, J XU, N HJORT, E XU, QH XU, Z YEPES, P YOO, IK YUREVICH, VI ZHAN, W ZHANG, H SANCHEZ, MCDL ZHANG, WM ZHANG, Y HOFFMANN, GW ZHANG, ZP ZHAO, Y ZHONG, C ZOULKARNEEV, R ZOULKARNEEVA, Y ZUBAREV, AN ZUO, JX CASTILLO, J CATU, O CEBRA, D BAUDOT, J CHAJECKI, Z CHALOUPKA, P CHATTOPADHYAY, S CHEN, HF CHEN, JH CHEN, Y CHENG, J CHERNEY, M CHIKANIAN, A CHOI, HA HORNER, MJ CHRISTIE, W COFFIN, JP CORMIER, TM COSENTINO, MR CRAMER, JG CRAWFORD, HJ DAS, D DAS, S DAUGHERITY, M DE MOURA, MM HUANG, HZ DEDOVICH, TG DEPHILLIPS, M DEREVSCHIKOV, AA DIDENKO, L DIETEL, T DJAWOTHO, P DOGRA, SM DONG, WJ DONG, X DRAPER, JE HUANG, SL DU, F DUNIN, VB DUNLOP, JC MAZUMDAR, MRD ECKARDT, V EDWARDS, WR EFIMOV, LG EMELIANOV, V ENGELAGE, J EPPLEY, G HUGHES, EW ERAZMUS, B ESTIENNE, M FACHINI, P FATEMI, R FEDORISIN, J FILIMONOV, K FILIP, P FINCH, E FINE, V FISYAK, Y HUMANIC, TJ FU, J GAGLIARDI, CA GAILLARD, L GANS, J GANTI, MS GHAZIKHANIAN, V GHOSH, P GONZALEZ, JE GORBUNOV, YG IGO, G JACOBS, P JACOBS, WW JAKL, P JIA, F BEKELE, S JIANG, H JONES, PG JUDD, EG KABANA, S KANG, K KAPITAN, J KAPLAN, M KEANE, D KECHECHYAN, A KHODYREV, VY BELAGA, VV KIM, BC KIRYLUK, J KISIEL, A KISLOV, EM KLEIN, SR KOETKE, DD KOLLEGGER, T KOPYTINE, M KOTCHENDA, L KOUCHPIL, V BELLINGERI-LAURIKAINEN, A KOWALIK, KL KRAMER, M KRAVTSOV, P KRAVTSOV, VI KRUEGER, K KUHN, C KULIKOV, AI KUMAR, A KUZNETSOV, AA LAMONT, MAC BELLWIED, R LANDGRAF, JM LANGE, S LAPOINTE, S LAUE, F LAURET, J LEBEDEV, A LEDNICKY, R LEE, CH LEHOCKA, S LEVINE, MJ BENEDOSSO, F LI, C LI, Q LI, Y LIN, G LINDENBAUM, SJ LISA, MA LIU, F LIU, H LIU, J LIU, L BEZVERKHNY, BI LIU, Z
Keywords:	transverse-momentum distributions qcd jets d+au collisions hadron particle p+p fragmentation equilibration physics proton
Issue Date:	2006
Publisher:	AMERICAN PHYSICAL SOC
Citation:	PHYSICAL REVIEW D, 74(3)
Abstract:	We report measurements of transverse momentum p(t) spectra for ten event multiplicity classes of p-p collisions at root s=200 GeV. By analyzing the multiplicity dependence we find that the spectrum shape can be decomposed into a part with amplitude proportional to multiplicity and described by a Levy distribution on transverse mass m(t), and a part with amplitude proportional to multiplicity squared and described by a Gaussian distribution on transverse rapidity y(t). The functional forms of the two parts are nearly independent of event multiplicity. The two parts can be identified with the soft and hard components of a two-component model of p-p collisions. This analysis then provides the first isolation of the hard component of the p(t) spectrum as a distribution of simple form on y(t).
URI:	http://dx.doi.org/10.1103/PhysRevD.74.032006 http://dspace.library.iitb.ac.in/xmlui/handle/10054/16548 http://hdl.handle.net/10054/16548
ISSN:	1550-7998
Appears in Collections:	Article

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